package nsn.message.aggregator.model.behaviour;

import java.beans.PropertyChangeListener;

/**
 * 
 * @author Lukasz Nowak
 * @since 13-03-2011
 * 
 */
public interface Observable {
	/**
	 * 
	 * @param listener
	 */
	void addPropertyChangeListener(PropertyChangeListener listener);

	/**
	 * 
	 * @param listener
	 */
	void removePropertyChangeListener(PropertyChangeListener listener);
}
